This standard specifies the technical requirements, performance indicators and detection methods of ambient air particulate matter (PM and PM) samplers. This standard applies to the design, production and testing of ambient air particulate matter (PM and PM) samplers.
GB/T 3768 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane*, 2017-12-29 Update
HJ 618 The Gravimetric Method for Determination of PM10 and PM2.5 in Ambient Air "No. 1 Amendment"*, 2018-08-13 Update
HJ 93-2013 history
0000 HJ 93-2013(XG1-2018)
2013HJ 93-2013 Specifications and test procedures for PM<下标10> and PM<下标2.5> sampler
2003HJ/T 93-2003 PM10 sampler technical requirements and detection methods
HJ 93-2013 Specifications and test procedures for PM<下标10> and PM<下标2.5> sampler has been changed from HJ/T 93-2003 PM10 sampler technical requirements and detection methods.